The format of your resignation with a notice period should be a letter. In this article, we discuss what to include in a professional resignation letter and we share examples of resignation letters you can use for reference.In this article, we discuss how to create a 30day resignation letter, why it's important and provide a template and examples to help you write your own. This article teaches you how to write a resignation email with the help of resignation letter email examples and our resignation email template. I regret to inform you that, after much thought, I have decided to resign. Please accept this letter as a formal notice of my resignation. Looking to resign with a One Month Notice Resignation Letter? Use our resignation letter template for notice-period roles. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. While employees often give two weeks notice as a courtesy, there is no law requiring you to give any notice.